CN110449244B

CN110449244B - Device for assisting rare earth crushing by adopting inert gas

Info

Publication number: CN110449244B
Application number: CN201910587765.2A
Authority: CN
Inventors: 冯先江
Original assignee: Wenzhou Qianhan Energy Saving Technology Co ltd
Current assignee: Dongguan Dongzheng Magnetic Industry Co.,Ltd.
Priority date: 2019-07-02
Filing date: 2019-07-02
Publication date: 2020-04-28
Anticipated expiration: 2039-07-02
Also published as: CN110449244A

Abstract

The invention discloses a device for assisting rare earth crushing by adopting inert gas, belonging to the technical field of rare earth treatment, and the device comprises: broken container, inside placed the material and be used for broken material's broken subassembly, the container is smashed to the second is used for smashing the material, broken container smashes the container intercommunication through transmission pipe and second, transmit the material to the second in smashing the container, broken subassembly includes the vertical pivot of placing in broken container, the pivot is driven by first motor, broken pole is connected by arranging from top to bottom to broken container internal part axis body is located in the pivot, broken pole revolutes the axle center setting, wherein, the broken pole length of highest level position and minimum level position is unanimous, its broken pole length between the two steadilys decrease in proper order. The invention realizes the crushing and crushing processing of the materials in the same equipment, has uniform discharging granularity, can avoid the oxidation of the materials in the processing process and ensure the quality of the materials.

Description

Device for assisting rare earth crushing by adopting inert gas

Technical Field

The invention belongs to the technical field of rare earth treatment, and particularly relates to a device for assisting rare earth crushing by adopting inert gas.

Background

Rare earth minerals exist mainly in mineral form in the earth crust, and there are three main types: as an essential constituent element of a mineral, rare earth is present in the form of an ionic compound in the mineral lattice, and constitutes an essential component of the mineral. Such minerals are commonly referred to as rare earth minerals such as monazite, bastnaesite, and the like. Rare earth is called industrial gold, and because of its excellent physical characteristics such as photoelectromagnetism, it can be combined with other materials to form a new material with different properties and various varieties, and its most obvious function is to greatly raise the quality and performance of other products. Such as greatly improving the tactical performance of steel, aluminum alloy, magnesium alloy and titanium alloy used for manufacturing tanks, airplanes and missiles. Furthermore, rare earths are also high-tech lubricants for electronics, lasers, nuclear industry, superconductors, etc. The rare earth generally exists in rocks, the rocks are usually required to be processed after being crushed, at present, the rocks are firstly crushed by a crusher and then transferred to a ball mill for crushing, and the operation is complex, so that the work efficiency is not convenient to improve.

Disclosure of Invention

The invention aims to provide a device for assisting rare earth crushing by adopting inert gas, which is used for crushing and crushing materials in the same equipment, has uniform discharge granularity, can avoid material oxidation in the processing process and ensures the material quality.

The technical scheme adopted by the invention for realizing the purpose is as follows: adopt broken device of inert gas auxiliary rare earth, include:

a crushing container, in which a material and a crushing assembly for crushing the material are placed,

a second crushing container for crushing the material, the crushing container is communicated with the second crushing container through a transmission pipe to transmit the material into the second crushing container,

the crushing assembly comprises a rotating shaft vertically arranged in the crushing container, the rotating shaft is driven by a first motor, the rotating shaft is arranged in the crushing container, a partial shaft body is vertically arranged and connected with the crushing rod, the crushing rod is arranged around the axis of the rotating shaft,

wherein, the length of the crushing rod at the highest level position is consistent with that at the lowest level position, and the length of the crushing rod between the highest level position and the lowest level position is decreased gradually.

The invention aims at the lack of equipment for crushing and crushing the rare earth-containing ore for primary processing in the prior art, the invention realizes the crushing and crushing operation of the ore in the same equipment by arranging a crushing container to crush the ore and then transmitting the crushed ore into a second crushing container by a transmission pipe to crush the crushed ore, in particular, a first motor is adopted to drive a rotating shaft to rotate at high speed to drive crushing rods to form rotary impact on the ore in the crushing container in the process of crushing the ore, so that the ore is cracked to realize crushing, the crushing rods with different horizontal height positions are arranged to prevent the ore from being concentrated at the bottom of the crushing container due to the action of gravity, the crushing rods at the bottom end of the rotating shaft can drive the ore to move upwards by high-speed rotation in the crushing process, and the crushing diameter ranges formed by the crushing rods rotating at high speed are different, the ore is impacted by the crushing rods at all height positions in the upward displacement process, the impact load formed in the mode can realize that the ore is rapidly cracked and deflected, the crack is cut by the crack and stress concentration causes expansion of the ore, the purpose of crushing the ore in a short time with low energy consumption is achieved, the crushed ore is impacted again by the crushing rods in the falling process, and the ore is crushed for multiple times, so that the size of the crushed ore is homogenized, and the processing efficiency and the quality are ensured.

In particular, the bottom of the crushing container is sealed, a sealing plate is arranged at the end part, a gap below 0.1mm is arranged between the sealing plate and a rotating shaft, the middle part of the rare earth is easy to react under the state of contacting with air, the rare earth crushing device in the prior art often directly crushes the rare earth without considering the problem, the rare earth obtained after the crushed ore is always fully reacted with the air, and the value is reduced, the invention seals the bottom of the crushing container, the transmission pipe is communicated with the bottom of the crushing container, a valve is arranged on the transmission pipe for convenient control to control the circulation of materials, the sealing plate is arranged at the end part of the crushing container to reduce the circulation of external air into the crushing container in the ore crushing process, the rare earth after the crushed ore is prevented from fully reacting with the air, the quality of the obtained rare earth is improved, and the great deviation of the air pressure inside and outside the crushing container is avoided, therefore, a gap smaller than 0.1mm is arranged between the sealing plate and the rotating shaft, a small amount of air is allowed to circulate, and processing accidents are avoided. The sealing plate and the end part of the crushing container are detachably mounted, so that the crushing assembly can be conveniently placed into the crushing container, and oil can be properly coated on the contact end face of the sealing plate and the crushing container to ensure sealing and the convenience in dismounting the sealing plate.

Specifically, the inner diameter of the crushing container is gradually reduced from top to bottom, the large ores are concentrated at the bottom of the crushing container, the crushing rod at the bottom of the crushing container drives the ores to move upwards in the high-speed rotating process and perform multiple crushing operations on the ores, the ores gathered at the bottom of the crushing container are all ores with smaller particles, reinforcing strips attached to the inner wall of the crushing container are welded in the vertical direction of the inner wall, part of the ores and cracked ores can impact the inner wall of the crushing container in the ore crushing process due to the high-speed rotation of the crushing rod, the overall strength of the crushing container is enhanced by arranging the reinforcing strips to prolong the service life of the crushing container, the reinforcing strips are arranged in the vertical direction in a manner of being attached to the inner wall of the crushing container, the movement track of the ores can be changed when the ores are in contact with the reinforcing strips, the contact probability of the ores and the inner wall of the crushing container is reduced, the crushing efficiency is improved.

Specifically, the end part of the crushing rod is provided with a first cone, the end part of the first cone is spliced with a second cone through a splicing shaft, and the hardness of the second cone is higher than that of the first cone. The contact of the first cone of broken rod tip and ore is in the broken in-process of ore, and the characteristics that the area of contact is little, stress concentration of utilizing first cone and ore improve the crushing efficiency to the ore, and further through establishing coaxial through-hole at first cone tip to the installation has the grafting axle reinforcing first cone tip's of second cone intensity in this through-hole, reduces the wearing and tearing of first cone tip and strengthens the crushing effect of broken rod to the ore.

Specifically, the two ends of the second crushing container are sealed and are hollow, one end of the second crushing container is connected with the transmission pipe, and the other end of the second crushing container is provided with the discharge pipe and is connected with a second motor for driving the crushing assembly in the second crushing container to rotate. The second motor is coaxially connected with the second crushing container through the bearing, the crushed ore with uniform particles is conveyed into the second crushing container through the conveying pipe, the ore is further processed to obtain high-quality rare earth, the two ends of the second crushing container are sealed, air in the second crushing container is reduced, partial components in the rare earth are prevented from fully reacting with the air, and the quality of the rare earth is reduced.

Concretely, crushing unit is first crushing unit, and first crushing unit includes the transmission axle with second motor coaxial coupling, and transmission axle surface spiral encircles and is connected with the stirring leaf. Through set up the stirring leaf on transmission shaft surface, come to stir the processing to the material after the breakage, each material extrudees each other at the stirring in-process in this in-process, utilizes the mutual extrusion between the material to make it further smash, discharges the material of processing through the delivery pipe when crushing process reaches the settlement condition, and the discharge pipe tip is sealed in the course of working and is handled, adopts the sealing plug to block up for example.

Concretely, crushing unit is second crushing unit, and second crushing unit is connected with the second motor including changeing the bucket, changeing the bucket and passing through the connecting axle, changes the bucket side and encircles and be connected with arc extrusion leaf, extrusion leaf and commentaries on classics bucket axis parallel arrangement. One end of the rotary barrel is connected with the second motor through a connecting shaft, and the other end of the rotary barrel is connected with the inner wall of the second crushing container through the connecting shaft and a bearing. For obtaining that the granule is littleer, the degree of consistency is high, the higher material of quality, it is rotatory to change the bucket through second motor drive, it forms the extrusion to the material at rotatory in-process to change the bucket, it is smashed to make it produce the extrusion, it is littleer to realize obtaining the granule, the degree of consistency is high, the higher material of quality, when overloading at the extrusion force to material extrusion in-process through setting up arc extrusion leaf, the extrusion force can be adjusted in proper order to its and the clearance of changeing between the bucket of extrusion leaf of arc form relatively, avoid changeing the dead situation of card appearing at rotatory in-process in the bucket, also avoid the second motor card to die simultaneously, realize the operation guarantee to the second motor.

Specifically, one side of the crushing container is provided with an air pump which is communicated with the crushing container through an air pipe, and the air pump is also connected with an air storage container which stores inert gas. Aiming at the problem that the rare earth and air fully react due to the fact that ore is directly crushed in the prior art, the ore crushing device seals a processing area through the sealing plate before ore processing, meanwhile, the air pump is used for pumping inert gas to be input into the crushing container, the inert gas is used for isolating the contact between the air and the ore and the rare earth, the rare earth is prevented from contacting with the air, the original air in the crushing container floats upwards and overflows from a gap between the sealing plate and the rotating shaft in the inert gas input process, and the method is suitable for the operation of injecting the inert gas into the second crushing container.

Specifically, first motor is vertical to be fixed on the second base member, and the second base member passes through the backup pad to be connected with the first base member of placing subaerial, utilizes first base member, backup pad and first base member to realize carrying out the clamping to first motor, makes it be in broken container upper end to should correspond with broken container position.

Specifically, the level is equipped with damping assembly between first base member and the broken container, damping assembly include the vaulting pole be connected with first base member and with the flexbile plate of broken container contact, be connected through the elastic rod between vaulting pole and the flexbile plate, utilize the elastic component to have elastic deformation's characteristic, vibrations to the broken container production in the course of working play the absorbing action, reduce the vibration of broken container, with the noise that reduces under the processing environment, also be favorable to prolonging the life of broken container, certainly can also carry out horizontal direction's spacing to broken container through first base member.

Compared with the prior art, the invention has the beneficial effects that: aiming at the defect that equipment for crushing and crushing the rare earth-containing ore for primary processing is lacked in the prior art, the invention realizes the crushing and crushing operation of the ore in the same equipment by arranging the crushing container to crush the ore and then transmitting the crushed ore into the second crushing container by using the transmission pipe to crush the ore. The material processed by the invention has small particles, high uniformity and high quality.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of an apparatus for rare earth fragmentation assisted with an inert gas according to an embodiment of the present invention;

FIG. 2 is a schematic view of a crushing assembly according to an embodiment of the invention;

FIG. 3 is a schematic view of the construction of a first cone and a second cone at the end of a breaker bar according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of a crushing vessel according to an embodiment of the invention;

FIG. 5 is a schematic view of the interior of a second pulverizing container according to an embodiment of the present invention;

FIG. 6 is a schematic view of the interior of another version of a second comminution vessel in accordance with an embodiment of the invention;

FIG. 7 is a schematic diagram of the second size reduction assembly of FIG. 6;

FIG. 8 is a schematic view of another apparatus for rare earth crushing using inert gas assistance according to the present invention;

FIG. 9 is a schematic structural view of the vibration damping assembly of FIG. 8;

FIG. 10 is a schematic view of the rare earth obtained by the processing in the experimental group of the apparatus in example 3;

FIG. 11 is a schematic view of the rare earth obtained by processing the comparative device in example 3.

Description of reference numerals: 10-a first substrate; 11-a support plate; 12-a second substrate; 20-a crushing assembly; 21-a first motor; 22-a rotating shaft; 23-a breaker bar; 231-a first cone; 232-plug shaft; 233 a second cone; 30-a sealing plate; 40-a crushing container; 41-conveying pipe; 42-a reinforcing strip; 50-a second pulverizing container; 51-a second motor; 52-a bearing; 53-a discharge pipe; 60-an air pump; 61-trachea; 62-a gas storage container; 70-a first size reduction assembly; 71-a transmission shaft; 72-stirring blade; 80-a second size reduction assembly; 81-a connecting shaft; 82-rotating the barrel; 83-squeezing the leaves; 90-a vibration damping assembly; 91-a stay bar; 92-a resilient lever; 93-flexible plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1:

referring to fig. 1 to 5, an apparatus for rare earth crushing using inert gas assistance includes:

a crushing container 40 in which the material and the crushing assembly 20 for crushing the material are placed,

a second pulverizing container 50, the second pulverizing container 50 being used for pulverizing the material, the pulverizing container 40 being communicated with the second pulverizing container 50 through a transfer pipe 41, transferring the material into the second pulverizing container 50,

the crushing assembly 20 comprises a rotating shaft 22 vertically arranged in a crushing container 40, the rotating shaft 22 is driven by a first motor 21, the rotating shaft 22 is arranged in the crushing container 40, the inner part of the rotating shaft 22 is connected with a crushing rod 23 in an up-and-down arrangement mode, the crushing rod 23 is arranged around the axis of the rotating shaft 22,

wherein the crushing rods 23 at the highest level position and the lowest level position are the same in length, and the lengths of the crushing rods 23 between the highest level position and the lowest level position are sequentially decreased.

The invention aims at the lack of equipment for crushing and crushing the rare earth-containing ore for primary processing in the prior art, the invention realizes the crushing and crushing operation of the ore in the same equipment by arranging a crushing container 40 and transmitting the crushed ore into a second crushing container 50 by a transmission pipe 41, in particular, the crushing and crushing operation of the ore is completed in the same equipment by adopting a first motor 21 to drive a rotating shaft 22 to rotate at high speed to drive a crushing rod 23 to form rotary impact on the ore in the crushing container 40 in the process of crushing the ore, so that the ore is cracked and crushed, the crushing rods 23 at different horizontal height positions are arranged to prevent the ore from being concentrated at the bottom of the crushing container 40 due to the action of gravity, the crushing rod 23 at the bottom end of the rotating shaft 22 can drive the ore to move upwards in the process of crushing, and the crushing diameter ranges formed by the crushing rods 23 rotating at high speed are different, the ore is impacted by the crushing rods 23 at all height positions in the upward displacement process, the impact load formed in the mode can realize that the ore is rapidly cracked and deflected, and the ore is cracked until the crack is sheared and the stress is concentrated to expand the ore, so that the aim of crushing the ore in a short time with low energy consumption is achieved, the crushed ore is impacted again by the crushing rods 23 in the falling process, the ore is crushed for multiple times, the size of the crushed ore is homogenized, and the processing efficiency and the quality are ensured.

The crushing container 40 is sealed at the bottom, a sealing plate 30 is arranged at the end part, a gap below 0.1mm exists between the sealing plate 30 and the rotating shaft 22, the middle part of the rare earth is easy to react under the state of contacting with air, the rare earth crushing device in the prior art often directly crushes the rare earth without considering the problem, the value of the rare earth obtained after the crushed ore is reduced because the rare earth and the air are fully reacted, the invention seals the bottom of the crushing container 40, a transmission pipe 41 is communicated with the bottom of the crushing container 40, a valve is arranged on the transmission pipe 41 for convenient control to control the circulation of materials, the sealing plate 30 is arranged at the end part of the crushing container 40 to reduce the circulation of external air into the crushing container 40 in the ore crushing process, the rare earth and the air after the ore is crushed are prevented from fully reacting, and the quality of the obtained rare earth is improved, meanwhile, in order to avoid the large deviation of the air pressure inside and outside the crushing container 40, a gap smaller than 0.1mm is arranged between the sealing plate 30 and the rotating shaft 22, so that a small amount of air is allowed to circulate, and the occurrence of processing accidents is avoided. The sealing plate 30 and the end part of the crushing container 40 are detachably mounted, so that the crushing assembly 20 can be conveniently placed in the crushing container 40, and oil can be properly coated on the contact end face of the sealing plate 30 and the crushing container 40 to ensure sealing and the convenience in dismounting and mounting the sealing plate 30.

The inner diameter of the crushing container 40 is gradually reduced from top to bottom, the large ores are concentrated at the bottom of the crushing container 40, the crushing rod 23 at the bottom of the crushing container 40 drives the ores to move upwards in the high-speed rotating process and perform multiple crushing operations on the ores, the ores gathered at the bottom of the crushing container 40 are all ores with small particles, reinforcing strips 42 attached to the inner wall of the crushing container 40 are welded in the vertical direction of the inner wall, in the high-speed rotating process of the crushing rod 23 on the ores, part of the ores and cracked ores can impact the inner wall of the crushing container 40, the overall strength of the crushing container 40 is enhanced by arranging the reinforcing strips 42 to prolong the service life of the crushing container 40, the reinforcing strips 42 are arranged in the vertical direction in a manner of being attached to the inner wall of the crushing container 40, the movement track of the ores can be changed when the ores are in contact with the reinforcing strips 42, the contact probability of the ores and the inner wall of the crushing container 40 is And the crushing efficiency is improved.

The end of the crushing rod 23 is provided with a first cone 231, the end of the first cone 231 is inserted with a second cone 233 through an insertion shaft 232, and the hardness of the second cone 233 is higher than that of the first cone 231. In the process of crushing ores, the first cone 231 at the end part of the crushing rod 23 is contacted with the ores, the crushing efficiency of the ores is improved by utilizing the characteristics of small contact area and stress concentration of the first cone 231 and the ores, the end part of the first cone 231 is further provided with a coaxial through hole, and the inserting shaft 232 with the second cone 233 is arranged in the through hole to enhance the strength of the end part of the first cone 231, reduce the abrasion of the end part of the first cone 231 and enhance the crushing effect of the crushing rod 23 on the ores.

The second pulverizing container 50 has two sealed ends and a hollow interior, one end of the second pulverizing container 50 is connected to the transmission pipe 41, and the other end is provided with a discharge pipe 53 and a second motor 51 connected to drive the pulverizing components in the second pulverizing container 50 to rotate. The second motor 51 is coaxially connected with the second crushing container 50 through a bearing 52, the ore crushed by the invention and with uniform particles is conveyed into the second crushing container 50 through the conveying pipe 41, the ore is further processed to obtain high-quality rare earth, and the two ends of the second crushing container 50 are sealed, so that the air in the second crushing container 50 is reduced, partial components in the rare earth are prevented from fully reacting with the air, and the quality of the rare earth is reduced.

The crushing assembly is a first crushing assembly 70, the first crushing assembly 70 comprises a transmission shaft 71 which is coaxially connected with the second motor 51, and the surface of the transmission shaft 71 is spirally and circularly connected with stirring blades 72. The crushed materials are stirred by arranging the stirring blades 72 on the surface of the transmission shaft 71, in the process, the materials are mutually extruded in the stirring process, the materials are further crushed by utilizing the mutual extrusion, the processed materials are discharged through the discharge pipe 53 when the crushing process reaches the set condition, and the end part of the discharge pipe 53 is sealed in the processing process, for example, the end part is blocked by a sealing plug.

An air pump 60 is arranged on one side of the crushing container 40, the air pump 60 is communicated with the crushing container 40 through an air pipe 61, and the air pump 60 is also connected with an air storage container 62 for storing inert gas. Aiming at the problem that the rare earth and air fully react due to the fact that ore is directly crushed in the prior art, the ore crushing device seals a processing area through the sealing plate 30 before the ore is processed, meanwhile, the air pump 60 is used for pumping inert gas to be input into the crushing container 40, the inert gas is used for isolating the contact between the air and the ore and the rare earth, so that the rare earth is prevented from contacting with the air, the original air in the crushing container 40 floats upwards and overflows from a gap between the sealing plate 30 and the rotating shaft 22 in the input process of the inert gas 40, and the method is suitable for the operation of injecting the inert gas into the second crushing container 50.

The first motor 21 is vertically fixed on the second base body 12, the second base body 12 is connected with the first base body 10 placed on the ground through the supporting plate 11, and the first motor 21 is clamped by the first base body 12, the supporting plate 11 and the first base body 10 to be positioned at the upper end of the crushing container 40 and correspond to the position of the crushing container 40.

When the device that adopts inert gas to assist broken rare earth in this embodiment actually uses:

placing the ore and the crushing assembly 20 into a crushing container 40, controlling the placing amount to be not more than 70% of the volume of the crushing container 40, covering a sealing plate 30 after placing the ore, conditionally coating oil on the bottom of the sealing plate 30 to improve the sealing effect, then extracting inert gas from a gas storage container 62 through an air pump 60, injecting the inert gas into the crushing container 40, discharging air in the crushing container 40 outwards, also discharging air in a second crushing container 50 outwards in the manner, conveying the ore into the second crushing container 50 through a conveying pipe 41 after the crushing container 40 is crushed for crushing treatment, setting the processing time of the ore in the crushing container 40 and the processing time of the ore in the second crushing container 50 according to the processing requirements, generally setting the processing time of the ore in the crushing container 40 to be 45-60 min, setting the processing time of the ore in the second crushing container 50 to be 80-100min, after the processing is completed, the material is discharged through the discharge pipe 53 and is intensively subjected to subsequent processing.

Example 2:

the present embodiment provides another technical solution of the pulverizing assembly, which is different from the pulverizing assembly technical solution of embodiment 1, and referring to fig. 6 and 7, the pulverizing assembly of the present embodiment is a second pulverizing assembly 80, the second pulverizing assembly 80 includes a rotating barrel 82, the rotating barrel 82 is connected with the second motor 51 through a connecting shaft 81, the side surface of the rotating barrel 82 is connected with an arc-shaped extruding blade 83 in a surrounding manner, and the extruding blade 83 is arranged in parallel with the axis of the rotating barrel 82. One end of the rotary tub 82 is connected to the second motor 51 through a connecting shaft 81, and the other end is connected to the inner wall of the second pulverizing container 50 through the connecting shaft 81 and the bearing 52. For obtaining that the granule is littleer, the degree of consistency is high, the higher material of quality, it is rotatory to change bucket 82 through the drive of second motor 51, it extrudees the material formation at rotatory in-process to change bucket 82, it is smashed to make it produce the extrusion, it is littleer to realize obtaining the granule, the degree of consistency is high, the higher material of quality, when overloading at the extrusion force to material extrusion in-process through setting up arc extrusion leaf 83, the extrusion force can be adjusted in proper order to the clearance that the extrusion leaf 83 of arc form can change its and change between bucket 82 relatively, avoid changeing bucket 82 and appear the dead situation of card in rotatory in-process, also avoid second motor 51 card to die simultaneously, realize the operation guarantee to second motor 51.

The actual application method of the device for rare earth crushing assisted by inert gas in the embodiment is the same as that of the embodiment 1.

Example 3:

the present embodiment provides a technical solution of a vibration damping assembly 90 on the basis of the technical solution of embodiment 1, referring to fig. 8 and 9, the vibration damping assembly 90 is horizontally disposed between the first base 10 and the crushing container 40, the vibration damping assembly 90 includes a stay 91 connected to the first base 10 and a flexible plate 93 contacting with the crushing container 40, the stay 91 is connected to the flexible plate 93 through an elastic rod 92, and the elastic member 92 has an elastic deformation characteristic, so as to absorb vibration generated by the crushing container 40 during a processing process, reduce vibration of the crushing container 40, reduce noise under a processing environment, and also facilitate prolonging a service life of the crushing container 40, and certainly, the first base 10 can also limit the crushing container 40 in a horizontal direction.

In this embodiment, the device of the present invention, the experimental group, and the mining cone crusher in the existing market, the comparison group, are used to crush and pulverize rare earth ore, see fig. 10 for rare earth obtained by using the experimental group device, and see fig. 11 for rare earth obtained by using the comparison group device, it can be seen by comparison that the rare earth particles obtained by using the experimental group device are relatively uniform, and relatively smaller than the rare earth particles obtained by using the comparison group, and there are some larger materials in the comparison group, and the rare earth particles obtained by using the experimental group are all smaller and have no large material blocks.

In the embodiment, the device for rare earth crushing assisted by inert gas is practically used, and the vibration reduction assembly 90 is additionally arranged on the basis of the using method in the embodiment 1 to support the crushing container 40, so that the vibration of the crushing container 40 is reduced.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention, and it is therefore to be understood that the invention is not limited by the scope of the appended claims.

Claims

1. Adopt broken device of inert gas auxiliary rare earth, include:

the crushing assembly comprises a rotating shaft vertically placed in the crushing container, the rotating shaft is driven by a first motor, the rotating shaft is arranged in the crushing container, and partial shaft bodies in the rotating shaft are connected with crushing rods in an up-and-down arrangement mode;

the bottom of the crushing container is sealed, a sealing plate is arranged at the end part of the crushing container, and a gap of less than 0.1mm is formed between the sealing plate and the rotating shaft; the inner diameter of the crushing container is gradually reduced from top to bottom, and reinforcing strips attached to the inner wall of the crushing container are welded on the inner wall in the vertical direction; the end part of the crushing rod is provided with a first cone, the end part of the first cone is inserted with a second cone through an inserting shaft, and the hardness of the second cone is higher than that of the first cone.

2. The apparatus for rare earth crushing assisted by inert gas according to claim 1, wherein: the two ends of the second crushing container are sealed and are hollow, one end of the second crushing container is connected with the transmission pipe, and the other end of the second crushing container is provided with the discharge pipe and a second motor which is connected with the second motor for driving the crushing assembly in the second crushing container to rotate.

3. The apparatus for rare earth crushing assisted by inert gas according to claim 2, wherein: the crushing assembly is a first crushing assembly, the first crushing assembly comprises a transmission shaft which is coaxially connected with a second motor, and stirring blades are spirally and circularly connected to the surface of the transmission shaft.

4. The apparatus for rare earth crushing assisted by inert gas according to claim 2, wherein: the crushing unit is the second crushing unit, the second crushing unit is including changeing the bucket, it passes through the connecting axle and is connected with the second motor to change the bucket, it extrudees the leaf to change the bucket side to encircle to be connected with the arc, it extrudees leaf and commentaries on classics bucket axis parallel arrangement, it passes through the connecting axle to be connected with the second motor to change bucket one end, and the other end passes through connecting axle, bearing and the crushing container inner wall of second and is connected.

5. The apparatus for rare earth crushing assisted by inert gas according to any one of claims 1 to 4, wherein: and an air pump is arranged on one side of the crushing container and is communicated with the crushing container through an air pipe, and the air pump is also connected with an air storage container which stores inert gas.

6. The apparatus for rare earth crushing assisted by inert gas according to any one of claims 1 to 4, wherein: the first motor is vertically fixed on the second base body, and the second base body is connected with the first base body placed on the ground through the supporting plate.

7. The apparatus for rare earth crushing assisted by inert gas according to claim 6, wherein: a vibration damping assembly is horizontally arranged between the first base body and the crushing container, the vibration damping assembly comprises a supporting rod connected with the first base body and a flexible plate contacted with the crushing container, and the supporting rod is connected with the flexible plate through an elastic rod.